Part Of Lorell'S Wellness By Design Collection, This Accucel Executive Chair Is Office Seating Approved By The American Chiropractic Association. Lumbar Accu-Pressure Promotes Increased Circulation. Accucel Technology Provides Targeted Comfort And Support. Dense, Eva Convoluted Foam In The Lower Back Area Features A Durable Open-Mesh Covering. Luxurious, Black Bonded Leather Upholstery Provides A Sleek Look. Functions Include Pneumatic Seat-Height Adjustment From 20-1/2" To 24-1/4", Tilt (From 102 To 119 Degrees) And Tilt Lock. Arm-Integrated Fingertip Controls Allow Easier Seat Height And Tilt Lock Adjustment. 26" Five-Star Nylon Base Is Equipped With 1-24/25" Diameter Dual-Wheel Casters For Easy Chair Movement. Seat Measures 21" Wide X 18-1/2" Deep X 6-1/2" Thick. Back Size Is 24-1/4" Wide X 27-1/4" High X 6-1/4" Thick. Executive Chair Meets Or Exceeds Bifma Standards. Weight Capacity Is 275 Lb..